/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
/* A GNU-like <signal.h>.
Copyright (C) 2006-2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if __GNUC__ >= 3
#pragma GCC system_header
#endif
#if defined __need_sig_atomic_t || defined __need_sigset_t || defined _GL_ALREADY_INCLUDING_SIGNAL_H || (defined _SIGNAL_H && !defined __SIZEOF_PTHREAD_MUTEX_T)
/* Special invocation convention:
- Inside glibc header files.
- On glibc systems we have a sequence of nested includes
<signal.h> -> <ucontext.h> -> <signal.h>.
In this situation, the functions are not yet declared, therefore we cannot
provide the C++ aliases.
- On glibc systems with GCC 4.3 we have a sequence of nested includes
<csignal> -> </usr/include/signal.h> -> <sys/ucontext.h> -> <signal.h>.
In this situation, some of the functions are not yet declared, therefore
we cannot provide the C++ aliases. */
# include_next <signal.h>
#else
/* Normal invocation convention. */
#ifndef _GL_SIGNAL_H
#define _GL_ALREADY_INCLUDING_SIGNAL_H
/* Define pid_t, uid_t.
Also, mingw defines sigset_t not in <signal.h>, but in <sys/types.h>.
On Solaris 10, <signal.h> includes <sys/types.h>, which eventually includes
us; so include <sys/types.h> now, before the second inclusion guard. */
#include <sys/types.h>
/* The include_next requires a split double-inclusion guard. */
#include_next <signal.h>
#undef _GL_ALREADY_INCLUDING_SIGNAL_H
#ifndef _GL_SIGNAL_H
#define _GL_SIGNAL_H
/* Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare
pthread_sigmask in <pthread.h>, not in <signal.h>.
But avoid namespace pollution on glibc systems.*/
#if (0 || defined GNULIB_POSIXCHECK) \
&& ((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __OpenBSD__ || defined __osf__ || defined __sun) \
&& ! defined __GLIBC__
# include <pthread.h>
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
#ifndef _GL_CXXDEFS_H
#define _GL_CXXDEFS_H
/* The three most frequent use cases of these macros are:
* For providing a substitute for a function that is missing on some
platforms, but is declared and works fine on the platforms on which
it exists:
#if @GNULIB_FOO@
# if !@HAVE_FOO@
_GL_FUNCDECL_SYS (foo, ...);
# endif
_GL_CXXALIAS_SYS (foo, ...);
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
* For providing a replacement for a function that exists on all platforms,
but is broken/insufficient and needs to be replaced on some platforms:
#if @GNULIB_FOO@
# if @REPLACE_FOO@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef foo
# define foo rpl_foo
# endif
_GL_FUNCDECL_RPL (foo, ...);
_GL_CXXALIAS_RPL (foo, ...);
# else
_GL_CXXALIAS_SYS (foo, ...);
# endif
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
* For providing a replacement for a function that exists on some platforms
but is broken/insufficient and needs to be replaced on some of them and
is additionally either missing or undeclared on some other platforms:
#if @GNULIB_FOO@
# if @REPLACE_FOO@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef foo
# define foo rpl_foo
# endif
_GL_FUNCDECL_RPL (foo, ...);
_GL_CXXALIAS_RPL (foo, ...);
# else
# if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@
_GL_FUNCDECL_SYS (foo, ...);
# endif
_GL_CXXALIAS_SYS (foo, ...);
# endif
_GL_CXXALIASWARN (foo);
#elif defined GNULIB_POSIXCHECK
...
#endif
*/
/* _GL_EXTERN_C declaration;
performs the declaration with C linkage. */
#if defined __cplusplus
# define _GL_EXTERN_C extern "C"
#else
# define _GL_EXTERN_C extern
#endif
/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes);
declares a replacement function, named rpl_func, with the given prototype,
consisting of return type, parameters, and attributes.
Example:
_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
*/
#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \
_GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \
_GL_EXTERN_C rettype rpl_func parameters_and_attributes
/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes);
declares the system function, named func, with the given prototype,
consisting of return type, parameters, and attributes.
Example:
_GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
*/
#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \
_GL_EXTERN_C rettype func parameters_and_attributes
/* _GL_CXXALIAS_RPL (func, rettype, parameters);
declares a C++ alias called GNULIB_NAMESPACE::func
that redirects to rpl_func, if GNULIB_NAMESPACE is defined.
Example:
_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
*/
#define _GL_CXXALIAS_RPL(func,rettype,parameters) \
_GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters)
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
rettype (*const func) parameters = ::rpl_func; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
except that the C function rpl_func may have a slightly different
declaration. A cast is used to silence the "invalid conversion" error
that would otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
rettype (*const func) parameters = \
reinterpret_cast<rettype(*)parameters>(::rpl_func); \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS (func, rettype, parameters);
declares a C++ alias called GNULIB_NAMESPACE::func
that redirects to the system provided function func, if GNULIB_NAMESPACE
is defined.
Example:
_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
*/
#if defined __cplusplus && defined GNULIB_NAMESPACE
/* If we were to write
rettype (*const func) parameters = ::func;
like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls
better (remove an indirection through a 'static' pointer variable),
but then the _GL_CXXALIASWARN macro below would cause a warning not only
for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */
# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static rettype (*func) parameters = ::func; \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS(func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters);
is like _GL_CXXALIAS_SYS (func, rettype, parameters);
except that the C function func may have a slightly different declaration.
A cast is used to silence the "invalid conversion" error that would
otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
namespace GNULIB_NAMESPACE \
{ \
static rettype (*func) parameters = \
reinterpret_cast<rettype(*)parameters>(::func); \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2);
is like _GL_CXXALIAS_SYS (func, rettype, parameters);
except that the C function is picked among a set of overloaded functions,
namely the one with rettype2 and parameters2. Two consecutive casts
are used to silence the "cannot find a match" and "invalid conversion"
errors that would otherwise occur. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
/* The outer cast must be a reinterpret_cast.
The inner cast: When the function is defined as a set of overloaded
functions, it works as a static_cast<>, choosing the designated variant.
When the function is defined as a single variant, it works as a
reinterpret_cast<>. The parenthesized cast syntax works both ways. */
# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
namespace GNULIB_NAMESPACE \
{ \
static rettype (*func) parameters = \
reinterpret_cast<rettype(*)parameters>( \
(rettype2(*)parameters2)(::func)); \
} \
_GL_EXTERN_C int _gl_cxxalias_dummy
#else
# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIASWARN (func);
causes a warning to be emitted when ::func is used but not when
GNULIB_NAMESPACE::func is used. func must be defined without overloaded
variants. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIASWARN(func) \
_GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE)
# define _GL_CXXALIASWARN_1(func,namespace) \
_GL_CXXALIASWARN_2 (func, namespace)
/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
# if !__OPTIMIZE__
# define _GL_CXXALIASWARN_2(func,namespace) \
_GL_WARN_ON_USE (func, \
"The symbol ::" #func " refers to the system function. " \
"Use " #namespace "::" #func " instead.")
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
# define _GL_CXXALIASWARN_2(func,namespace) \
extern __typeof__ (func) func
# else
# define _GL_CXXALIASWARN_2(func,namespace) \
_GL_EXTERN_C int _gl_cxxalias_dummy
# endif
#else
# define _GL_CXXALIASWARN(func) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes);
causes a warning to be emitted when the given overloaded variant of ::func
is used but not when GNULIB_NAMESPACE::func is used. */
#if defined __cplusplus && defined GNULIB_NAMESPACE
# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
_GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \
GNULIB_NAMESPACE)
# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \
_GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
we enable the warning only when not optimizing. */
# if !__OPTIMIZE__
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
_GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
"The symbol ::" #func " refers to the system function. " \
"Use " #namespace "::" #func " instead.")
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
extern __typeof__ (func) func
# else
# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
_GL_EXTERN_C int _gl_cxxalias_dummy
# endif
#else
# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
#endif /* _GL_CXXDEFS_H */
/* The definition of _GL_ARG_NONNULL is copied here. */
/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools
that the values passed as arguments n, ..., m must be non-NULL pointers.
n = 1 stands for the first argument, n = 2 for the second argument etc. */
#ifndef _GL_ARG_NONNULL
# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3
# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params))
# else
# define _GL_ARG_NONNULL(params)
# endif
#endif
/* The definition of _GL_WARN_ON_USE is copied here. */
#ifndef _GL_WARN_ON_USE
# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
/* A compiler attribute is available in gcc versions 4.3.0 and later. */
# define _GL_WARN_ON_USE(function, message) \
extern __typeof__ (function) function __attribute__ ((__warning__ (message)))
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
/* Verify the existence of the function. */
# define _GL_WARN_ON_USE(function, message) \
extern __typeof__ (function) function
# else /* Unsupported. */
# define _GL_WARN_ON_USE(function, message) \
_GL_WARN_EXTERN_C int _gl_warn_on_use
# endif
#endif
/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string")
is like _GL_WARN_ON_USE (function, "string"), except that the function is
declared with the given prototype, consisting of return type, parameters,
and attributes.
This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does
not work in this case. */
#ifndef _GL_WARN_ON_USE_CXX
# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__)
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
extern rettype function parameters_and_attributes \
__attribute__ ((__warning__ (msg)))
# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING
/* Verify the existence of the function. */
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
extern rettype function parameters_and_attributes
# else /* Unsupported. */
# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \
_GL_WARN_EXTERN_C int _gl_warn_on_use
# endif
#endif
/* _GL_WARN_EXTERN_C declaration;
performs the declaration with C linkage. */
#ifndef _GL_WARN_EXTERN_C
# if defined __cplusplus
# define _GL_WARN_EXTERN_C extern "C"
# else
# define _GL_WARN_EXTERN_C extern
# endif
#endif
/* On AIX, sig_atomic_t already includes volatile. C99 requires that
'volatile sig_atomic_t' ignore the extra modifier, but C89 did not.
Hence, redefine this to a non-volatile type as needed. */
#if ! 1
# if !GNULIB_defined_sig_atomic_t
typedef int rpl_sig_atomic_t;
# undef sig_atomic_t
# define sig_atomic_t rpl_sig_atomic_t
# define GNULIB_defined_sig_atomic_t 1
# endif
#endif
/* A set or mask of signals. */
#if !1
# if !GNULIB_defined_sigset_t
typedef unsigned int sigset_t;
# define GNULIB_defined_sigset_t 1
# endif
#endif
/* Define sighandler_t, the type of signal handlers. A GNU extension. */
#if !1
# ifdef __cplusplus
extern "C" {
# endif
# if !GNULIB_defined_sighandler_t
typedef void (*sighandler_t) (int);
# define GNULIB_defined_sighandler_t 1
# endif
# ifdef __cplusplus
}
# endif
#endif
#if 0
# ifndef SIGPIPE
/* Define SIGPIPE to a value that does not overlap with other signals. */
# define SIGPIPE 13
# define GNULIB_defined_SIGPIPE 1
/* To actually use SIGPIPE, you also need the gnulib modules 'sigprocmask',
'write', 'stdio'. */
# endif
#endif
/* Maximum signal number + 1. */
#ifndef NSIG
# if defined __TANDEM
# define NSIG 32
# endif
#endif
#if 0
# if 0
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef pthread_sigmask
# define pthread_sigmask rpl_pthread_sigmask
# endif
_GL_FUNCDECL_RPL (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
_GL_CXXALIAS_RPL (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# else
# if !1
_GL_FUNCDECL_SYS (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# endif
_GL_CXXALIAS_SYS (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# endif
_GL_CXXALIASWARN (pthread_sigmask);
#elif defined GNULIB_POSIXCHECK
# undef pthread_sigmask
# if HAVE_RAW_DECL_PTHREAD_SIGMASK
_GL_WARN_ON_USE (pthread_sigmask, "pthread_sigmask is not portable - "
"use gnulib module pthread_sigmask for portability");
# endif
#endif
#if 1
# if 0
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef raise
# define raise rpl_raise
# endif
_GL_FUNCDECL_RPL (raise, int, (int sig));
_GL_CXXALIAS_RPL (raise, int, (int sig));
# else
# if !1
_GL_FUNCDECL_SYS (raise, int, (int sig));
# endif
_GL_CXXALIAS_SYS (raise, int, (int sig));
# endif
_GL_CXXALIASWARN (raise);
#elif defined GNULIB_POSIXCHECK
# undef raise
/* Assume raise is always declared. */
_GL_WARN_ON_USE (raise, "raise can crash on native Windows - "
"use gnulib module raise for portability");
#endif
#if 1
# if !1
# ifndef GNULIB_defined_signal_blocking
# define GNULIB_defined_signal_blocking 1
# endif
/* Maximum signal number + 1. */
# ifndef NSIG
# define NSIG 32
# endif
/* This code supports only 32 signals. */
# if !GNULIB_defined_verify_NSIG_constraint
typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
# define GNULIB_defined_verify_NSIG_constraint 1
# endif
# endif
/* Test whether a given signal is contained in a signal set. */
# if 1
/* This function is defined as a macro on Mac OS X. */
# if defined __cplusplus && defined GNULIB_NAMESPACE
# undef sigismember
# endif
# else
_GL_FUNCDECL_SYS (sigismember, int, (const sigset_t *set, int sig)
_GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigismember, int, (const sigset_t *set, int sig));
_GL_CXXALIASWARN (sigismember);
/* Initialize a signal set to the empty set. */
# if 1
/* This function is defined as a macro on Mac OS X. */
# if defined __cplusplus && defined GNULIB_NAMESPACE
# undef sigemptyset
# endif
# else
_GL_FUNCDECL_SYS (sigemptyset, int, (sigset_t *set) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigemptyset, int, (sigset_t *set));
_GL_CXXALIASWARN (sigemptyset);
/* Add a signal to a signal set. */
# if 1
/* This function is defined as a macro on Mac OS X. */
# if defined __cplusplus && defined GNULIB_NAMESPACE
# undef sigaddset
# endif
# else
_GL_FUNCDECL_SYS (sigaddset, int, (sigset_t *set, int sig)
_GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigaddset, int, (sigset_t *set, int sig));
_GL_CXXALIASWARN (sigaddset);
/* Remove a signal from a signal set. */
# if 1
/* This function is defined as a macro on Mac OS X. */
# if defined __cplusplus && defined GNULIB_NAMESPACE
# undef sigdelset
# endif
# else
_GL_FUNCDECL_SYS (sigdelset, int, (sigset_t *set, int sig)
_GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigdelset, int, (sigset_t *set, int sig));
_GL_CXXALIASWARN (sigdelset);
/* Fill a signal set with all possible signals. */
# if 1
/* This function is defined as a macro on Mac OS X. */
# if defined __cplusplus && defined GNULIB_NAMESPACE
# undef sigfillset
# endif
# else
_GL_FUNCDECL_SYS (sigfillset, int, (sigset_t *set) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigfillset, int, (sigset_t *set));
_GL_CXXALIASWARN (sigfillset);
/* Return the set of those blocked signals that are pending. */
# if !1
_GL_FUNCDECL_SYS (sigpending, int, (sigset_t *set) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (sigpending, int, (sigset_t *set));
_GL_CXXALIASWARN (sigpending);
/* If OLD_SET is not NULL, put the current set of blocked signals in *OLD_SET.
Then, if SET is not NULL, affect the current set of blocked signals by
combining it with *SET as indicated in OPERATION.
In this implementation, you are not allowed to change a signal handler
while the signal is blocked. */
# if !1
# define SIG_BLOCK 0 /* blocked_set = blocked_set | *set; */
# define SIG_SETMASK 1 /* blocked_set = *set; */
# define SIG_UNBLOCK 2 /* blocked_set = blocked_set & ~*set; */
_GL_FUNCDECL_SYS (sigprocmask, int,
(int operation, const sigset_t *set, sigset_t *old_set));
# endif
_GL_CXXALIAS_SYS (sigprocmask, int,
(int operation, const sigset_t *set, sigset_t *old_set));
_GL_CXXALIASWARN (sigprocmask);
/* Install the handler FUNC for signal SIG, and return the previous
handler. */
# ifdef __cplusplus
extern "C" {
# endif
# if !GNULIB_defined_function_taking_int_returning_void_t
typedef void (*_gl_function_taking_int_returning_void_t) (int);
# define GNULIB_defined_function_taking_int_returning_void_t 1
# endif
# ifdef __cplusplus
}
# endif
# if !1
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# define signal rpl_signal
# endif
_GL_FUNCDECL_RPL (signal, _gl_function_taking_int_returning_void_t,
(int sig, _gl_function_taking_int_returning_void_t func));
_GL_CXXALIAS_RPL (signal, _gl_function_taking_int_returning_void_t,
(int sig, _gl_function_taking_int_returning_void_t func));
# else
_GL_CXXALIAS_SYS (signal, _gl_function_taking_int_returning_void_t,
(int sig, _gl_function_taking_int_returning_void_t func));
# endif
_GL_CXXALIASWARN (signal);
# if !1 && GNULIB_defined_SIGPIPE
/* Raise signal SIGPIPE. */
_GL_EXTERN_C int _gl_raise_SIGPIPE (void);
# endif
#elif defined GNULIB_POSIXCHECK
# undef sigaddset
# if HAVE_RAW_DECL_SIGADDSET
_GL_WARN_ON_USE (sigaddset, "sigaddset is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigdelset
# if HAVE_RAW_DECL_SIGDELSET
_GL_WARN_ON_USE (sigdelset, "sigdelset is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigemptyset
# if HAVE_RAW_DECL_SIGEMPTYSET
_GL_WARN_ON_USE (sigemptyset, "sigemptyset is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigfillset
# if HAVE_RAW_DECL_SIGFILLSET
_GL_WARN_ON_USE (sigfillset, "sigfillset is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigismember
# if HAVE_RAW_DECL_SIGISMEMBER
_GL_WARN_ON_USE (sigismember, "sigismember is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigpending
# if HAVE_RAW_DECL_SIGPENDING
_GL_WARN_ON_USE (sigpending, "sigpending is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
# undef sigprocmask
# if HAVE_RAW_DECL_SIGPROCMASK
_GL_WARN_ON_USE (sigprocmask, "sigprocmask is unportable - "
"use the gnulib module sigprocmask for portability");
# endif
#endif /* 1 */
#if 1
# if !1
# if !1
# if !GNULIB_defined_siginfo_types
/* Present to allow compilation, but unsupported by gnulib. */
union sigval
{
int sival_int;
void *sival_ptr;
};
/* Present to allow compilation, but unsupported by gnulib. */
struct siginfo_t
{
int si_signo;
int si_code;
int si_errno;
pid_t si_pid;
uid_t si_uid;
void *si_addr;
int si_status;
long si_band;
union sigval si_value;
};
typedef struct siginfo_t siginfo_t;
# define GNULIB_defined_siginfo_types 1
# endif
# endif /* !1 */
/* We assume that platforms which lack the sigaction() function also lack
the 'struct sigaction' type, and vice versa. */
# if !GNULIB_defined_struct_sigaction
struct sigaction
{
union
{
void (*_sa_handler) (int);
/* Present to allow compilation, but unsupported by gnulib. POSIX
says that implementations may, but not must, make sa_sigaction
overlap with sa_handler, but we know of no implementation where
they do not overlap. */
void (*_sa_sigaction) (int, siginfo_t *, void *);
} _sa_func;
sigset_t sa_mask;
/* Not all POSIX flags are supported. */
int sa_flags;
};
# define sa_handler _sa_func._sa_handler
# define sa_sigaction _sa_func._sa_sigaction
/* Unsupported flags are not present. */
# define SA_RESETHAND 1
# define SA_NODEFER 2
# define SA_RESTART 4
# define GNULIB_defined_struct_sigaction 1
# endif
_GL_FUNCDECL_SYS (sigaction, int, (int, const struct sigaction *restrict,
struct sigaction *restrict));
# elif !1
# define sa_sigaction sa_handler
# endif /* !1, !1 */
_GL_CXXALIAS_SYS (sigaction, int, (int, const struct sigaction *restrict,
struct sigaction *restrict));
_GL_CXXALIASWARN (sigaction);
#elif defined GNULIB_POSIXCHECK
# undef sigaction
# if HAVE_RAW_DECL_SIGACTION
_GL_WARN_ON_USE (sigaction, "sigaction is unportable - "
"use the gnulib module sigaction for portability");
# endif
#endif
/* Some systems don't have SA_NODEFER. */
#ifndef SA_NODEFER
# define SA_NODEFER 0
#endif
#endif /* _GL_SIGNAL_H */
#endif /* _GL_SIGNAL_H */
#endif